app.js

/**
 * Power meter api server.
 *
 * An express frontend to reading a power meter with a
 * flashing led using a photo resistive sensor on an Arduino Uno board.
 *
 * This is most of all a toy experiment to keep me up to speed on some of
 * the latest web technologies.
 *
 * @author Thomas Malt <thomas@malt.no>
 * @copyright 2015-2017 Thomas Malt <thomas@malt.no>
 *
 */

const debug      = require('debug')('power-meter:server');
const logger     = require('morgan');
const express    = require('express');
const bodyParser = require('body-parser');
const util       = require('./lib/power-meter-util');
const config     = util.config;

const app     = express();
const logmode = (config.env === 'development') ? 'dev' : 'combined';

/* istanbul ignore if */
if (config.env !== 'test') app.use(logger(logmode));

app.disable('x-powered-by');

app.use(bodyParser.urlencoded({extended: true}));
app.use(bodyParser.json());

app.use('/power', require('./controllers/power'));
app.use('/power', require('./controllers/power-meter'));
app.use('/power', require('./controllers/power-health'));
app.use('/power', require('./controllers/power-watts'));
app.use('/power', require('./controllers/power-kwh'));

app.use((err, req, res, next) => {
  /* istanbul ignore if */
  if (!err) return next();

  debug('got error: ', err);
  res.status(400);
  res.json({error: 'Bad Request', message: err.message});
  res.end();

  return false;
});

/* istanbul ignore if */
if (!module.parent) app.listen(config.server.port);

debug('HTTP  listening on port ' + config.server.port);
debug('TZ:   ', process.env.TZ);
debug('CWD:  ', process.cwd());
debug('ARGS: ', process.argv);

module.exports = {
  app
};

/*
 * The MIT License (MIT)
 *
 * Copyright (c) 2013-2017 Thomas Malt <thomas@malt.no>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 */